package com.fast.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Created by Le-Le on 2017/6/21.
 */
public class SessionInterceptor implements HandlerInterceptor {


    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {
        System.out.println("SessionInterceptor");
        if (httpServletRequest.getRequestURI().equals("/user/login") || httpServletRequest.getRequestURI().equals("/login") ) {
            System.out.println(httpServletRequest.getRequestURI());
            return true;
        }

        Object object = httpServletRequest.getSession().getAttribute("user");
        if (object==null) {
            httpServletResponse.sendRedirect("/login");
            return false;
        }
            return true;
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
